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Fukushima Daiichi

Video Explanations

The impact of the Fukushima Daiichi Nuclear Power Station accident, and the steps being taken to overcome it and to decommission the reactors, are explained visually.

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List of Videos

2020.1.23 "The current situation at Fukushima Daiichi NPS" -From 3.11 toward the future-　(ver. Jan. 2020)

Uploaded January 23, 2020

Length: approx. 7:47

#Accident & current situation

2019.12.19 Preparing to remove fuel from the Fukushima Daiichi Nuclear Power Station Unit 1 spent fuel pool Large cover construction

Uploaded December 19, 2019

Length: approx. 3:57

#Fuel removal　#Unit 1

2019.10.31 The method for removing fuel from the Fukushima Daiichi Nuclear Power Station Unit 2 spent fuel pool

Uploaded October 31, 2019

Length: approx. 4:54

#Fuel removal　#Unit 2

2019.7.24 Fuel removal work from the Unit 3 spent fuel pool at Fukushima Daiichi NPS

Uploaded July 24, 2019

Length: approx. 4:46

#Fuel removal　#Unit 3

2019.7.8 "The current situation at Fukushima Daiichi NPS" -From 3.11 toward the future- (ver, July. 2019)

Uploaded July 8, 2019

Length: approx. 9:07

#Accident & current situation

2019.3.8 First Contact Investigation inside the Primary Containment Vessel～Fukushima Daiichi Nuclear Power Station Unit 2

Uploaded March 8, 2019

Length: approx. 4:48

#Fuel debris removal　#Unit 2

2019.3.7 Fukushima Daiichi Nuclear Power Station -The year in review- (March 2018 - February 2019)

Uploaded March 7, 2019

Length: approx. 4:46

#Accident & current situation

2019.2.6 We will investigate deposits inside the PCV.～Internal Investigation of the Fukushima Daiichi Nuclear Power Station Unit 2 PCV

Uploaded February 6, 2019

Length: approx. 5:00

#Fuel debris removal　#Unit 2

2018.7.20 Countermeasures to prevent groundwater from coming in contact with contamination sources

Uploaded July 20, 2018

Length: approx. 4:07

#Water management

2018.7.19 “The current situation at FukushimaDaiichi NPS” -From 3.11 toward the future- (ver,July.2018)

Uploaded July 19, 2018

Length: approx. 7:54

#Accident & current situation

2018.6.7 Unit 3 Fuel Removal Cover Installation in Chinese (traditional)

Uploaded June 7, 2018

Length: approx. 3:53

#Fuel removal #Unit 3

2018.6.7 Unit 3 Fuel Removal Cover Installation in Chinese (simplified)

Uploaded June 7, 2018

Length: approx. 3:53

#Fuel removal #Unit 3

2018.6.7 Fuel Removal Cover Installation Project～Unit 3 Reactor Building～

Uploaded June 7, 2018

Length: approx. 3:53

#Fuel removal #Unit 3

2018.4.11 Unit 1 Rubble Removal in Simplified Chinese character version

Uploaded April 11, 2018

Length: approx. 3:39

#Fuel removal #Unit 1

2018.4.11 Unit 1 Rubble Removal in Traditional Chinese character version

Uploaded April 11, 2018

Length: approx. 3:39

#Fuel removal #Unit 1

2018.4.11 Unit 1Rubble Removal

Uploaded April 11, 2018

Length: approx. 3:09

#Fuel removal #Unit 1

2018.3.12 Unit 2 PCV internal investigation in Simplified Chinese character version

Uploaded March 12, 2018

Length: approx. 3:40

#Fuel debris removal #Unit 2

2018.3.12 Unit 2 PCV internal investigation in Traditional Chinese character version

Uploaded March 12, 2018

Length: approx. 3:40

#Fuel debris removal #Unit 2

2018.2.7 Examining the bottom of the containment vessel -Unit 2 Reactor Building Internal Investigation-

Uploaded February 7, 2018

Length: approx. 3:40

#Fuel debris removal #Unit 2

2018.1.15 “The current situation at FukushimaDaiichi NPS” –From 3.11 toward the future- (ver,Jan.2018)

Uploaded January 15, 2018

Length: approx. 8:23

#Accident & current situation

2017.12.1 Installation of the fuel handling machine and the crane for the spent fuel removal is completed at Fukushima Daiichi NPS Unit 3

Uploaded December 1, 2017

Length: approx. 3:55

#Fuel removal #Unit 3

2017.07.18 “The current situation at FukushimaDaiichi NPS” –From 3.11 toward the future- (ver,Jul.2017)

Uploaded July 18, 2017

Length: approx. 8:25

#Accident & current situation

2017.7.13 Towards internal investigation of the Fukushima Daiichi Nuclear Power Station Unit 3 Primary Containment Vessel

Uploaded July 13, 2017

Length: approx. 2:18

#Fuel debris removal, #Research and Development

2017.01.16 “The current situation at Fukushima Daiichi NPS” –From 3.11 toward the future- (ver,Jan.2017)

Uploaded January 16, 2017

Length: approx. 9:09

#Accident & current situation

2016.9.1 “The current situation at Fukushima Daiichi NPS” –From 3.11 toward the future- (ver,Sep.2016)

Uploaded September 1, 2016

Length: approx. 8:52

#Accident & current situation

2016.08.24 Dismantling of Unit 1 cover panels for spent fuel removal

Uploaded August 24, 2016

Length: approx. 3:51

#Fuel removal, #Unit 1

2016.07.13 Preventing Recriticality in Fuel Debris at Fukushima Daiichi Nuclear Power Station

Uploaded July 13, 2016

Length: approx. 4:58

#Accident & current situation

2016.1.12 “The current situation at Fukushima Daiichi NPS” –From 3.11 toward the future- (ver,Jan.2016)

Uploaded January 12, 2016

Length: approx. 8:24

#Accident & current situation

2015.10.15 Improving Water Storage by Dismantling and Replacing Flange Tanks

Uploaded October 15, 2015

Length: approx. 4:12

#Water management

2015.10.15 Fuel Removal Roof Cover Installation on Unit 3 at Fukushima Daiichi

Uploaded October 15, 2015

Length: approx. 2:32

#Fuel removal, #Unit 3

2015.09.25 Completion of Placing Steel Pipe Sheet-Piles for Seaside Impermeable Wall Closure

Uploaded September 25, 2015

Length: approx. 2:59

#Water management

2015.08.27 Introduction of Subdrain Water Treatment Facilities

Uploaded August 27, 2015

Length: approx. 4:02

#Water management

Investigation Results Inside of the Unit 3 Spent Fuel Pool

Uploaded August 4, 2015

Length: approx. 3:42

#Fuel removal, #Unit 3

2015.06.04 Start of operation of the large rest house at Fukushima Daiichi NPS

Uploaded June 4, 2015

Length: approx. 2:18

#Work environment

2015.05.18 An unprecedented challenge Robots obtain crucial information on conditions inside the Fukushima Reactor

Uploaded May 18, 2015

Length: approx. 4:04

#Fuel debris removal, #Research and Development, #Unit 1

2015.04.03 Fukushima revitalization meal service center - It's time to enrich the meal at Fukushima Daiichi NPS -

Uploaded April 3, 2015

Length: approx. 4:09

#Work environment

2015.02.19 Development for fuel debris detection technology for reactor at Fukushima Daiichi Nuclear Power Station (Unit 1)

Uploaded February 19, 2015

Length: approx. 2:05

#Fuel debris removal, #Research and Development, #Unit 1

2015.02.17 Addressing water issues: Subdrain and the seaside impermeable wall

Uploaded February 17, 2015

Length: approx. 4:06

#Water management

2015.02.15 Use of robots for reactor stabilization and decommissioning at Fukushima Daiichi Nuclear Power Station

Uploaded February 15, 2015

Length: approx. 6:12

#Research and Development

2015.01.28 Approaches to Contaminated Water – Removing Contamination Sources – “Removal of Highly Contaminated Water Retained Inside the Trench”

Uploaded January 28, 2015

Length: approx. 3:55

#Water management

2014/12/24 “The current situation at Fukushima Daiichi NPS” –From 3.11 toward the future-

Uploaded December 24, 2014

Length: approx. 7:25

#Accident & current situation

2014.12.22　Completion of fuel removal from Unit 4 spent fuel pool at Fukushima Daiichi NPS

Uploaded December 22, 2014

Length: approx. 5:47

#Fuel removal, #Unit 4

2014.11.26 Contaminated Water Processing ～Multi-Nuclide Removal Equipment (ALPS)～

Uploaded November 26, 2014

Length: approx. 4:50

#Water management

2014.11.26 Measures to prevent radioactive materials during the debris removal work

Uploaded November 26, 2014

Length: approx. 5:10

#Water management

2014.07.25 Fuel Removal from Unit4 at Fukushima Daiichi NPS

Uploaded July 25, 2014

Length: approx. 4:43

#Fuel removal, #Unit 4

2014.5.12 Factory-made Tank Installation Project

Uploaded May 12, 2014

Length: approx. 4:25

#Water management

2014.4.4 Groundwater Bypass System in Fukushima Daiichi NPS

Uploaded April 4, 2014

Length: approx. 4:15

#Water management

2014.3.11　Interview to the worker at Unit 4 building cover construction site at Fukushima Daiichi NP

Uploaded March 11, 2014

Length: approx. 3:20

#Fuel removal, #Unit 4

2014.2.18 Measures for Contaminated Water in the Seaside Trenches of Turbine Buildings at Fukushima Daiichi

Uploaded February 18, 2014

Length: approx. 10:51

#Water management

2011.11.30 The Evaluation Status of Reactor Core Damage at Fukushima Daiichi Nuclear Power Station Units 1 to 3

Uploaded November 30, 2011

Length: approx. 18:24

#Accident & current situation

Vol.3:Radiation Monitoring at the site -No.3 Changes in radioactive concentration and air dose rate at Fukushima Daiichi NPS

Uploaded December 3, 2011

Length: approx. 10:09

#Monitoring

Vol.3:Radiation Monitoring at the site -No.2 Evaluation method of the present amount of radioactive material released from the Reactor Building

Uploaded November 26, 2011

Length: approx. 15:45

#Monitoring

Vol.3:Radiation Monitoring at the site -No.1 measuring method

Uploaded November 19, 2011

Length: approx. 21:41

#Monitoring

Vol.2:Effort for treating radioactive accumulated water -No.4 Individual Tank Water Amounts and Water Storage Plan/Water treatment Facility to Bolster its Reliability

Uploaded November 12, 2011

Length: approx. 9:35

#Water management

Vol.2:Effort for treating radioactive accumulated water -No.3 Mechanism of water treatment (desalination)

Uploaded November 5, 2011

Length: approx. 9:07

#Water management

Vol.2:Effort for treating radioactive accumulated water -No.2 Water processing facility (removal of radioactivity)

Uploaded October 29, 2011

Length: approx. 18:57

#Water management

Vol.2:Effort for treating radioactive accumulated water -No.1 Outline Version

Uploaded October 22, 2011

Length: approx. 14:48

#Water management

Vol.1:How to Achieve and Maintain the "Cold Shutdown Condition" -No.4 Training for the recovery of the reactor water injection system

Uploaded October 12, 2011

Length: approx. 5:42

#Accident & current situation

Vol.1:How to Achieve and Maintain the "Cold Shutdown Condition" -No.3 Reactor and Fuel Status in Case of a Reactor Water Injection System Malfunction

Uploaded October 1, 2011

Length: approx. 13:49

#Accident & current situation

Vol.1:How to Achieve and Maintain the "Cold Shutdown Condition" -No.2 Status of Measuring Instruments of Reactor Pressure Vessels and Primary Containment Vessels

Uploaded September 17, 2011

Length: approx. 12:19

#Accident & current situation

Vol.1:How to Achieve and Maintain the "Cold Shutdown Condition" -No.1 Installment and Operation of Water Injection System to the Reactors

Uploaded September 10, 2011

Length: approx. 8:15

#Accident & current situation

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